Number of live performances per year
| 2010 | 71 |
| 2009 | 16 |
| 2008 | 29 |
| 2007 | 15 |
| 2006 | 26 |
| 2005 | 26 |
| 2004 | 20 |
| 2003 | 20 |
| 2002 | 16 |
| 2001 | 23 |
| 2000 | 12 |
| 1999 | 36 |
| 1998 | 29 |
| 1997 | 12 |
| 1996 | 15 |
| 1995 | 38 |
| 1994 | 22 |
| 1993 | 29 |
| 1992 | 54 |
| 1991 | 11 |
| 1990 | 14 |
| 1989 | 20 |
| 1988 | 11 |
| 1986 | 24 |
| 1984 | 27 |
| 1981 | 52 |
| 1980 | 19 |
| 1978 | 109 |
| 1976 | 5 |
| 1975 | 30 |
| 1974 | 27 |
| 1971 | 2 |
| 1966 | 17 |